diff --git a/hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java b/hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java
index 8a0cc4e2c..852ee8aa2 100644
--- a/hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java
@@ -3578,21 +3578,4 @@ public class FileUtil {
 	public static void tail(File file, Charset charset) {
 		FileUtil.tail(file, charset, Tailer.CONSOLE_HANDLER);
 	}
-
-	/**
-	 * 获取class类当前文件夹, 不管是否在jar包中都会返回文件夹的路径
-	 * class在jar包中返回jar所在文件夹,class不在jar中返回文件夹目录
-	 * jdk中的类不能使用此方法
-	 */
-	public static String getClassDir(Class clazz) {
-		String currentDir = null;
-		File file = new File(clazz.getProtectionDomain().getCodeSource().getLocation().getPath());
-		if (file.isFile()) {
-			currentDir = file.getParentFile().getAbsolutePath();
-		} else {
-			currentDir = file.getAbsolutePath();
-		}
-		return currentDir;
-	}
-
 }
diff --git a/hutool-core/src/test/java/cn/hutool/core/io/file/TailerTest.java b/hutool-core/src/test/java/cn/hutool/core/io/file/TailerTest.java
index 0ca3c1a25..50263d484 100644
--- a/hutool-core/src/test/java/cn/hutool/core/io/file/TailerTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/io/file/TailerTest.java
@@ -1,31 +1,23 @@
 package cn.hutool.core.io.file;
 
-import cn.hutool.core.io.FileUtil;
-import cn.hutool.core.util.CharsetUtil;
-import lombok.Data;
 import org.junit.Ignore;
 import org.junit.Test;
 
-public class TailerTest {
+import cn.hutool.core.io.FileUtil;
+import cn.hutool.core.util.CharsetUtil;
 
+public class TailerTest {
+	
 	@Test
 	@Ignore
 	public void tailTest() {
 		FileUtil.tail(FileUtil.file("e:/tail.txt"), CharsetUtil.CHARSET_GBK);
 	}
-
+	
 	@Test
 	@Ignore
 	public void tailWithLinesTest() {
 		Tailer tailer = new Tailer(FileUtil.file("f:/test/test.log"), Tailer.CONSOLE_HANDLER, 2);
 		tailer.start();
 	}
-
-	@Test
-	@Ignore
-	public void testDir() {
-		System.out.println(FileUtil.getClassDir(FileUtil.class));
-		System.out.println(FileUtil.getClassDir(Data.class));
-		System.out.println(FileUtil.getClassDir(Test.class));
-	}
 }